loongarch64-linux-gcc: error: unrecognized argument in option '-march=la32v1.0'

Hi Huacai,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   06cf61899d6498b33e4b7c87d99d5bd471ccc375
commit: 3d9aba6618d115750729bba2d1f8af180bd7d3bd LoongArch: Adjust build infrastructure for 32BIT/64BIT
date:   4 months ago
config: loongarch-randconfig-001-20260811 (https://download.01.org/0day-ci/archive/20260811/[email protected]/config)
compiler: loongarch64-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260811/[email protected]/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Fixes: 3d9aba6618d1 ("LoongArch: Adjust build infrastructure for 32BIT/64BIT")
| Reported-by: kernel test robot <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

All errors (new ones prefixed by >>):

>> loongarch64-linux-gcc: error: unrecognized argument in option '-march=la32v1.0'
   loongarch64-linux-gcc: note: valid arguments to '-march=' are: abi-default la464 la64v1.0 la64v1.1 la664 loongarch64 native; did you mean 'la64v1.0'?
   loongarch64-linux-gcc: error: unrecognized argument in option '-mabi=ilp32s'
   loongarch64-linux-gcc: note: valid arguments to '-mabi=' are: lp64d lp64f lp64s
>> loongarch64-linux-gcc: error: unrecognized argument in option '-march=la32v1.0'
   loongarch64-linux-gcc: note: valid arguments to '-march=' are: abi-default la464 la64v1.0 la64v1.1 la664 loongarch64 native; did you mean 'la64v1.0'?
   loongarch64-linux-gcc: error: unrecognized argument in option '-mabi=ilp32s'
   loongarch64-linux-gcc: note: valid arguments to '-mabi=' are: lp64d lp64f lp64s
   make[3]: *** [scripts/Makefile.build:289: scripts/mod/empty.o] Error 1 shuffle=28659922
>> loongarch64-linux-gcc: error: unrecognized argument in option '-march=la32v1.0'
   loongarch64-linux-gcc: note: valid arguments to '-march=' are: abi-default la464 la64v1.0 la64v1.1 la664 loongarch64 native; did you mean 'la64v1.0'?
   loongarch64-linux-gcc: error: unrecognized argument in option '-mabi=ilp32s'
   loongarch64-linux-gcc: note: valid arguments to '-mabi=' are: lp64d lp64f lp64s
   make[3]: *** [scripts/Makefile.build:184: scripts/mod/devicetable-offsets.s] Error 1 shuffle=28659922
   make[3]: Target 'scripts/mod/' not remade because of errors.
   make[2]: *** [Makefile:1336: prepare0] Error 2 shuffle=28659922
   make[2]: Target 'prepare' not remade because of errors.
   make[1]: *** [Makefile:248: __sub-make] Error 2 shuffle=28659922
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:248: __sub-make] Error 2 shuffle=28659922
   make: Target 'prepare' not remade because of errors.

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